You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Coca-Cola Shifts North American Sprite Duties to Leo Burnett Lemon-Lime Soda Brand Had Resided at BBH Since 2009 By Rupal Parekh, Published on April 18, 2012 3 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Register Now Already a member? Log in.